what is program counter?
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Explain memory mapped i/o and i/o mapped i/o schemes?
Where the data is transferred in a DMA write operation?
Why the lower byte address bus(a0-a7) and data bus (d0-d7) are multiplexed?
What are the four distinct types of memory in 8051?
Why do you use two ground pins in microprocessor 8086?
How many logical drives is it possible to fit onto a physical disk?
Give a circuit to divide frequency of clock cycle by two ?
What does SD RAM refers to
What are the flags in 8086?
Can an rc circuit be used as clock source for 8085?
8085 is how many bit microprocessor?
If a1M1× DRAM requires 4 ms for a refresh and has 256 rows to be refreshed, no more than __________ of time must pass before another row is refreshed.